Using-Parameters-with-the-ObjectDataSource-Control


            using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.Configuration;
public class Products
{    
    private readonly string _conString;
    public void UpdateProduct(int id, string title, string director, DateTime dateReleased)
    {
        SqlConnection con = new SqlConnection(_conString);
        SqlCommand cmd = new SqlCommand();
        cmd.Connection = con;
        cmd.CommandText = "UPDATE Products SET Title=@Title,Director=@Director,DateReleased=
        cmd.Parameters.AddWithValue("@Title", title);
        cmd.Parameters.AddWithValue("@Director", director);
        cmd.Parameters.AddWithValue("@DateReleased", dateReleased);
        cmd.Parameters.AddWithValue("@Id", id);
        using (con)
        {
            con.Open();
            cmd.ExecuteNonQuery();
        }
    }
    public SqlDataReader GetProducts()
    {
        SqlConnection con = new SqlConnection(_conString);
        SqlCommand cmd = new SqlCommand();
        cmd.Connection = con;
        cmd.CommandText = "SELECT Id,Title,Director,DateReleased FROM Products";
        con.Open();
        return cmd.ExecuteReader(CommandBehavior.CloseConnection);
    }
    public Products()
    {            
        _conString = WebConfigurationManager.ConnectionStrings["Products"]. ConnectionString;
    }
}
File: Web.config

  
             connectionString="Data Source=.\SQLEXPRESS;
         AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
  

File: Default.aspx
<%@ Page Language="C#" %>
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">


    Show Products


    
    
            id="grdProducts"
        DataSourceID="srcProducts"
        DataKeyNames="Id"
        AutoGenerateEditButton="true"
        Runat="server" />
            id="srcProducts"
        TypeName="Products"
        SelectMethod="GetProducts"
        UpdateMethod="UpdateProduct"
        Runat="server"/>
ADO Database ASP.Net
